MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded URLs, many of which point to domains that appear to be part of a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the high number of unknown reputation URLs suggest a phishing or malicious redirection attempt. The ClamAV detection and ML classifier further support the malicious nature of the file, indicating it is likely a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://giritrademark.com/content_files/files/wupaluzugowelupolir.pdf
- http://hbaoge.com/upload/files/silakatigovivibimamugux.pdf
- http://kovospm.cz/fotky/file/pezoka.pdf
- http://finchamauto.com/pics/talupedawuxajozifelazug.pdf
- https://laznia-radom.pl/userfiles/file/ramukikitesegodepenilovo.pdf
- http://elesi.eu/fichiers/files/66841586630.pdf
- http://www.museopizarra.com/ckfinder/userfiles/files/rulitelobexunakazeko.pdf
- http://stavo-bazar.cz/userfiles/file/ginadovetiset.pdf
- https://equipelec.fr/ckfinder/userfiles/files/86814271281.pdf
- http://xy-interior.com/uploads/files/202109151433146741.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132b67faa61f---labuvuzusuz.pdf
- http://tjsijiqing.com/ckfinder/userfiles/files/2021/0905/c5878d8f0be98c052e49e29bdc86cad6.pdf
- http://bodegaadrover.com/userfiles/imagenes/wudofamibiga.pdf
- http://hai-bi.com/uploads/files/202109101231491821.pdf
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/75e623b563b163c454c674bbd24b36cc/novemi.pdf
- http://benly-carson.com/product/files/63299411384.pdf
- https://alharithiforcameras.com/ckfinder/userfiles/files/wanogolokugoluxidobutuxiz.pdf
- https://inprovitbrasil.com/ckfinder/userfiles/files/kevijiraj.pdf
- http://almawred-sy.com/files/adminfiles/files/87984218985.pdf
- https://dnmpaint.com/sdcc/images/file/57965053667.pdf
- http://fusiongrup.ro/userfiles/file/9629608514.pdf
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/5403475c820bb809b7583936fb9afa0d/32562100890.pdf
- https://ln80.cn/filespath/files/20210905121430.pdf
- http://vitanova-cattery.com/upload/file/zelurubozekukuvezefinem.pdf
- http://alltimescare.com/attachment/files/dufubodafo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=ice+age+collision+course+watch+online
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee2e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE2E | 16792 bytes |
font_01_sfnt_off00010640.bine2219e88ff3c9ce1cd100e85b3d3b65a27796ba89eb3d5914dc40818dd7a0240 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10640 | 17996 bytes |
font_02_sfnt_off000133fa.binb834075cb83393dd69d7981437ff33bab00f3a932ffe3e5386f8fbbe0e292e33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133FA | 10644 bytes |
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